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Release Notes

Announcements, retrospectives, and migration guides for ESLint React releases

Stay up-to-date with the latest features, breaking changes, and improvements in ESLint React. Each milestone comes with a detailed announcement, and major releases include a migration guide to help you upgrade smoothly.

  • 2026-10-13 — v5.8.0–v5.26.5 Retrospective: A recap of five months of LTS maintenance: React Compiler alignment, fact-based rule architecture, web API leak detection hardening, and ecosystem compatibility.

Timeline

v5.x

  • 2026-05-02 — Announcing v5.7.0: A maintenance release featuring the fully implemented no-unused-state rule and LTS maintenance mode.
  • 2026-04-29 — Announcing v5.6.0: A major release featuring core API refactoring, kit API simplification, new rules, and class component support deprecation.

v4.x

  • 2026-04-01 — Announcing v4.2.1: A major release introducing a dedicated JSX plugin, new utility package for custom rules, and flattened rule naming.

v3.x

  • 2026-03-16 — Announcing v3.0.0: A major release with new rules ported from eslint-plugin-react-hooks, consolidated packages, and ESLint v10 support.

v2.x

  • 2025-09-26 — Announcing v2.0.0: A major release embracing modern JavaScript standards with powerful new rules and DX improvements.

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